<?php

namespace backend\models;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use common\models\MessageModel;

/**
 * SearchMessageModel represents the model behind the search form of `common\models\MessageModel`.
 */
class SearchMessageModel extends MessageModel
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['id', 'hid', 'create_at'], 'integer'],
            [['title', 'content'], 'safe'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search()
    {
        $query = MessageModel::find()->where(['hid' => $this->hid])->orderBy(['id'=>SORT_DESC]);

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

//        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
//        $query->andFilterWhere([
//
//
//        ]);

//        $query->andFilterWhere(['like', 'title', $this->title])
//            ->andFilterWhere(['like', 'content', $this->content]);

        return $dataProvider;
    }
}
